FROM ghcr.io/linuxserver/baseimage-alpine:amd64-3.12 as buildstage

# set version label
ARG BUILD_DATE
ARG VERSION
ARG HASS_RELEASE
ARG HACS_RELEASE
LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DATE}"
LABEL maintainer="saarg"

# environment settings
ENV HOME="/tmp"

# install packages
# https://github.com/home-assistant/core/blob/11d74124cd06f48c1faf68df9a2ab9034130fafa/azure-pipelines-wheels.yml#L32
RUN \
 echo "**** install build packages ****" && \
 apk add --no-cache --virtual=build-dependencies \
    autoconf \
    bluez-deprecated \
    bluez-dev \
    build-base \
    ca-certificates \
    cmake \
    curl \
    cython \
    eudev-dev \
    eudev-libs \
    ffmpeg \
    ffmpeg-dev \
    g++ \
    gcc \
    git \
    glib-dev \
    jq \
    libffi-dev \
    libjpeg-turbo \
    libjpeg-turbo-dev \
    libstdc++ \
    libxml2-dev \
    libxslt \
    libxslt-dev \
    linux-headers \
    make \
    openssl \
    openssl-dev \
    py3-pip \
    py3-wheel \
    python3 \
    python3-dev \
    sudo \
    unzip

RUN \
 echo "**** find packages to build for homeassistant ****" && \
 mkdir -p \
    /tmp/core && \
 if [ -z ${HASS_RELEASE+x} ]; then \
    HASS_RELEASE=$(curl -sX GET https://api.github.com/repos/home-assistant/core/releases/latest \
    | jq -r .tag_name); \
 fi && \
 curl -o \
 /tmp/core.tar.gz -L \
        "https://github.com/home-assistant/core/archive/${HASS_RELEASE}.tar.gz" && \
 tar xf \
 /tmp/core.tar.gz -C \
        /tmp/core --strip-components=1

RUN \
 echo "**** make folders for building wheels and upgrade pip ****" && \
 mkdir -p \
        /build/addons \
        /build/core && \
 pip3 install --no-cache-dir --upgrade \
        pip==20.3 # https://github.com/home-assistant/core/pull/43771

RUN \
 echo "**** build wheels for home assistant core ****" && \
 awk '/# Home Assistant Core/,/^$/' /tmp/core/requirements_all.txt > /tmp/requirements_hass.txt && \
 awk '/# homeassistant.components.trend/,/^$/' /tmp/core/requirements_all.txt >> /tmp/requirements_hass.txt && \
 sed -i "s/-r requirements.txt/-r \/tmp\/core\/requirements.txt/g" /tmp/requirements_hass.txt && \
 pip3 wheel --wheel-dir=/build/core --no-cache-dir --use-deprecated=legacy-resolver \
        -r /tmp/requirements_hass.txt

# https://github.com/home-assistant/core/issues/43934 >> https://github.com/home-assistant/core/pull/36330
RUN \
 echo "**** build wheels for home assistant addons ****" && \
 sed -i "s/-r requirements_test.txt/-r \/tmp\/core\/requirements_test.txt/g" /tmp/core/requirements_test_all.txt && \
 sed -i "s/-r requirements_test_pre_commit.txt/-r \/tmp\/core\/requirements_test_pre_commit.txt/g" /tmp/core/requirements_test.txt && \
 pip3 wheel --wheel-dir /build/addons --no-cache-dir --find-links=/build/core --use-deprecated=legacy-resolver \
        -r /tmp/core/requirements_test_all.txt

RUN \
 echo "**** install dependencies for hacs.xyz ****" && \
 if [ -z ${HACS_RELEASE+x} ]; then \
    HACS_RELEASE=$(curl -sX GET "https://api.github.com/repos/hacs/integration/releases/latest" \
    | awk '/tag_name/{print $4;exit}' FS='[""]'); \
 fi && \
 mkdir -p \
        /build/hacs \
        /tmp/hacs-source && \
 curl -o \
    /tmp/hacs.tar.gz -L \
    "https://github.com/hacs/integration/archive/${HACS_RELEASE}.tar.gz" && \
 tar xf \
    /tmp/hacs.tar.gz -C \
    /tmp/hacs-source --strip-components=1 && \
 pip3 wheel --wheel-dir=/build/hacs --no-cache-dir --find-links=/build/core --find-links=/build/addons --use-deprecated=legacy-resolver \
    -r /tmp/hacs-source/requirements.txt

RUN \
 mkdir -p \
    /tmp/wheels && \
 rm -rf /tmp/.cache /tmp/*.tar.gz && \
 mv /build/addons/* /tmp/wheels/ && \
 mv /build/core/* /tmp/wheels/ && \
 mv /build/hacs/* /tmp/wheels/

FROM scratch

COPY --from=buildstage /tmp /tmp